{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "421466063",
    "entityType": "User",
    "nonce": "0xede10e07fcc236870ba5414a3122383b5914ce244f8467a7de4190c13fb41750",
    "signature": "0x3d9abd44966e1dc02c5dd04318c0c59d2e58aa1d273013e8f6c3e6d54ceb1aa01a03e2a91e03614f725763e2e550ecf228a6c8ffcc080b8b0b453d09ae3a63d71b",
    "signer": "0x05aba01c97C4F182D989670622abE9c797782dD2",
    "userId": "508263176"
  }
}