{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "277314120",
    "entityType": "User",
    "nonce": "0x20f4def902b07a58f7cefc2cda45931cc85a663a85fe01d80abbc0a49a376aa9",
    "signature": "0xd722e19bf8da5a1164aa7b8994dbebd65a70009dc6b10ddd90ce7616c75b44033d6f651fb891dbfe17ff66a772671d1bae4b2c06b8f353108529a2ff57a920551c",
    "signer": "0x94d1769762bc3a1e7DCd3e8a31C89Ff199833Da6",
    "userId": "715573876"
  }
}