{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "78483",
    "entityType": "User",
    "nonce": "0x99296b6fb1e22f14d23ac3ce4889548b5c07144849bc27455828e2043d2821c3",
    "signature": "0xc4478afdd056b890cfa8cc06612fd8e89c50e0267eacdaf7f495979c059f66905599f4ae0269e496f907cf3401e7656ebf711d53a817c2c7fa5aeab2ad315a3a1b",
    "signer": "0x3CEbf9bfE1b24355cBC348701860d601E226Dfbb",
    "userId": "172240066"
  }
}