{
  "manageEntity": {
    "action": "Update",
    "entityId": "847013225",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieratbugfviez5iapow4r4tpjij6aeqlyfe3c3ze6decsjppc66iai3a\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":2029700412}]}}}",
    "nonce": "0xf9c44de7781dd9d2bd40d295826ecbbba4cb5ff69ca38a14b6af6e8cfa7fa949",
    "signature": "0xa79d3725c00d5994ee75670fde1358b94531dc03e817d2ffd63ce1074fbde4f37a971d1c4ccf33ad19ce292ec990f406bc4c9b889895eb1f70635450a20fd9251c",
    "signer": "0x9B32778f2EDac6d5b8BfccEBF5594cC72d68cB57",
    "userId": "847013225"
  }
}