{
  "manageEntity": {
    "action": "Update",
    "entityId": "925764851",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xdb423adc4333fefbcef7d38b83a8f323f559917d8269c09e09ee53bd9457eebc",
    "signature": "0xb239ca3cb9385f8209ea0b9acd2078404f18e5290e6def78b125a69ad90546eb3bbc4121b02ee5e23142389f0f183ae6a837d02ee88501e0d30fc64f2a5a11561b",
    "signer": "0xc744b00D2d79D452D6C0FB60b92ed9e78AD4f1b8",
    "userId": "925764851"
  }
}