{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xeab6bb3ee269588585fb5d23439b576d4e2855338a0ece934341af80f36c739c",
    "signature": "0x95994a23cc8a8d05e05dbbeebda1a86d7dab0542fb06441585b873bf543d0b7e3880e7f2c5934987c5898c4180ba1aa30ab9fd45d55c3f6922806e20e81e966c1c",
    "signer": "0xF11eB99D9db426C0c54890863a2b7B93F4C29d37",
    "userId": "661974138"
  }
}