{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "319704",
    "entityType": "User",
    "nonce": "0xef091a091b79f92f226221aaecd17b4d48a57a3bb9ca56499d5d724415f44154",
    "signature": "0x810c9515f080022c3e0416c5fd9b9b35dc813c79da0c3a35ba67158dfdb6e8b10324096e455b3525f16e1f492a84ab57ade869d16a0c1fb32e82955b53ebbde21b",
    "signer": "0xd85E4A094e4C057572A9D525C9737051A17ab609",
    "userId": "696716320"
  }
}