{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1761503",
    "entityType": "User",
    "nonce": "0x49444b559b1908d08f8071e195a2f847feb8be2c2dbf9a686216499509589d00",
    "signature": "0x1c8674a3fba547c32c76f4a73eb44a8ea199df3d51f71ef3e3e688baeda39f2e6cc4723bdbe48c80738287047523c591d53fb25caae2b1925dd6ce5ae779cd311c",
    "signer": "0xaa3bcf8712A3f5a178c83edE5e3DA745C257458e",
    "userId": "976266161"
  }
}