{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1357",
    "entityType": "User",
    "nonce": "0x0633bee9afc9476fcdb4055d822b06eb22efd22d4f7e0bc938be1279c6502ec7",
    "signature": "0x25953c6bd5a30b05c87e53587b7d558ac0c93ac460d7787cd5d1d025e982653930ca7434bbe02be835290b3e65404f7cb7bc8a14d8664dd94295edaf2ecf51f21c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}