{
  "manageEntity": {
    "action": "Update",
    "entityId": "611632762",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x14b4bc97e29b79f6687625d555edc5d798815b32c06e991fec64efa3a2361763",
    "signature": "0x685326805598685ebd897023d4f24a034939742e886645e155447d0d4324209d1f349b9338ef71a41e270fb2f3109cbf77df0a62e11ee49ff04823cd36bda47f1c",
    "signer": "0x6783F3F251B669E66B7743672Dc2a11bF180B80C",
    "userId": "611632762"
  }
}