{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xdc862f350970914e67ae585bc77657f5a9f95a8a5ed3dacfae94bb2df83df40f",
    "signature": "0xdbb4fd77c8f767bd9cd2188860119563889106c76915a7bbb1c4d1724e730b1767c8382cf67a8eba81818815ffc1417ce4818a27f0d5caeb5c2ac573fe7721ce1b",
    "signer": "0x95D5f6d03FD9e6Ae11F25Fe683EcA6fC4c0EF026",
    "userId": "689008688"
  }
}