{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "354908",
    "entityType": "User",
    "nonce": "0x192192ad1fd71ea62c834daf2ad86bdafc7de7ee10d8b81b36f8b94610e1cb0b",
    "signature": "0xad06361dd2e6874d23c5296ddebdfb02d68365c3c8dcb4500c81c39287aca8035ac1b009ae5a60e26e6880f5786de7b194e3f894101eef652f7a23839139799f1c",
    "signer": "0xAd15470171ba4f01ad3C714600D9A7E9aE62485C",
    "userId": "714646433"
  }
}