{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x8e3e3515b0afee54fe7fe078e000b8fdfb3db3a39c6d41feb208d80dc2268621",
    "signature": "0xedfdaca0691a551423a80b69a2877876246e01254028687a47388ef2462cfbce37ad3e67d06e733e36f6c72a9c3d91d98aba2709b2f1b895a612195d7f1ba8bb1c",
    "signer": "0x170C5038579655d90890FD6a32037D771382C4dD",
    "userId": "747043838"
  }
}