{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "77215",
    "entityType": "User",
    "nonce": "0x83042d938493632a1dce66f8beffdc5622f12bc40bc98e927b3bea3702b56211",
    "signature": "0x9505f3923850e8c4c41cd3f16801fcfc85793579259cfc41e782d5b6f96be9a02c36382746f11bc6a39a808932f89e5748b371baa7a284899449e6b3d944757c1c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}