{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x7c47ce07cebb85157ab2cfb3efeac1107078a9ec258d7274e67adea0a2ab958f",
    "signature": "0x0ee6d8e4bb8f7e093403858481bb3ebf660913202aa4a0ed011ce10e02f411223c12fa7597e154d2935bce9d46f40fc5c73cedbefb5cf4397d234c641dbe57ef1b",
    "signer": "0x0FFb102af9bEd83F1ef5aa71Bb44e1B6c455B022",
    "userId": "785050962"
  }
}