{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "593684426",
    "entityType": "User",
    "nonce": "0xb7782c879d3daa8a56ec7de6b2dc2a6a079c1535b52de70b72711ea1ca28d42c",
    "signature": "0x13a274df7c4ef98f18f60693bbfab4d6ca27340d3f03aac66adddf3e2b37663f445438c8ce5775f36110e98679d4d4f92a3ed15bc29c543c137f9cc3fe355b191b",
    "signer": "0xe8BAaf9d67869BFe993951C60524b67BC331bac9",
    "userId": "75683930"
  }
}