{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "289632107",
    "entityType": "User",
    "nonce": "0x44a9229411cfb468d7329c601783b5b6ec88bb84f0ebf7ea6642aa92ae76bd83",
    "signature": "0xe83370ed1dba39a3883901103e072a2be08591931efdd5e33bbd0d9f52f044ef4836bc16c882c71afeb49f8f3c78b3c4cbd323f72782456699c41cd37a83eedc1b",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}