{
  "manageEntity": {
    "action": "Update",
    "entityId": "675013541",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xbc591e0619f1ee3a117dc8ec11f142f9e22a7b645a2be8de1e35682409805208",
    "signature": "0x35aca941f34c3cd108f6700c5a37ee73cb0d2f490cf364a808006773a29a41163f99d975d895f9dfbd8a50dff7f7c3afdb2c817c3a805dd2ce4362db6a2790041c",
    "signer": "0x0A2F5D4CD50BFc8fcee7d40dFDCfBf866422FfaC",
    "userId": "675013541"
  }
}