{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "735980234",
    "entityType": "User",
    "nonce": "0x5fd9811af78d7787d3ee4ac5660d0bc6ed63ef50a8e7ebc10ef1bfd136b03b36",
    "signature": "0xa987c8edec7e5d4e3f66ee3f8c7ada2418b4db6543bd876901eb03786be7c7b235816d0589441e4bb7a878ce1b673986b668fb80f874eead4ec24f4ae87ba1d81c",
    "signer": "0x6Af6D40d1d0B48D79D2bd3E3c8f0a45540130c0F",
    "userId": "89433"
  }
}