{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "714646433",
    "entityType": "User",
    "nonce": "0x82699dc33c7ce40de71fb73bc6b0a182f3991580c130af25a06e901763924cf7",
    "signature": "0x55b9f43df3b1dada3805d509e684269aa9e8fa3aaafd1d9f69e1785f8ee9b9602c3fedc31e411dd888b369c927407aa4cd0ff22be47cf002442d274b49adbc3a1b",
    "signer": "0x4D7B1fd1EDbC733c57c87e426F4fc1b42C1CF72b",
    "userId": "350499018"
  }
}