{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "879542806",
    "entityType": "User",
    "nonce": "0xd79e7f0bb4718cb520f2df303d39a823954eb8ba9b286980209f6df1a318e2b9",
    "signature": "0xa0eb580f46c79fb6603b848f9b8e545945dab5b9688e12abef601c512af46b8c6ba250634f05374483bf6ee821dae219367cca76cb28ee6ba103db0202c22f051c",
    "signer": "0x0FFb102af9bEd83F1ef5aa71Bb44e1B6c455B022",
    "userId": "785050962"
  }
}