{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "940003920",
    "entityType": "User",
    "nonce": "0x44e8b552583b9dc2a916babfe553d3130747ae0f7dc24183aea33438f41c2dd7",
    "signature": "0x04aa68200478e9f97b9609765e3e88fb7ecf98421724e7b43e35704b5a0ad7ff4dcb7a079317f3db38341bbaf72832d659bf134bda12b637b73cb8a43caf2dd01b",
    "signer": "0xd85E4A094e4C057572A9D525C9737051A17ab609",
    "userId": "696716320"
  }
}