{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "10318205",
    "entityType": "User",
    "nonce": "0xf43a17c2ac842da5ad92bf7b5c6d4f1ba6c0b1f4d9c995b91cc6614c52d06a9e",
    "signature": "0x73f04b416572eb2a57a7a35b5fdbfc717d41317b9a2da1e7fcf3faad85003bf263060c93f470d1f2e7ad17aa27fba828f46269f450138758d8c5d390f69856771c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}