{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "354947534",
    "entityType": "User",
    "nonce": "0xb1d72bc124574dd9f91b2507a07b35045aa83b2b3faf7167a51748094dec9c6d",
    "signature": "0x026c98ca8bbd6e440a660b7451707da596059a4600ce1fdd79d8d7777c0f0fb70403eae01ea9d8ea80d42439b4dbfd8af467a255c525f4c240f1eabe883220b41c",
    "signer": "0x292eF57C1FAAc86008ab58D5116e0ba424C9189b",
    "userId": "721084704"
  }
}