{
  "manageEntity": {
    "action": "Update",
    "entityId": "533673360",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xf3d7040c2c1f867299146e6ffa139c4f9fe79e0f107a017b160a26eeb5c672eb",
    "signature": "0xc6860871df6df6a3973894b707c80f698b269ad3fdb951f517dd769598b8a0f80e817588c332eeeee0f776fb4c4353ffda22021aa62f4cebd43dd605f5c0242e1c",
    "signer": "0xC4e201BEaDD3933E76e562c99f9F367Ced3f68d7",
    "userId": "533673360"
  }
}