{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "408059868",
    "entityType": "User",
    "nonce": "0xf47a7b202c8c217d0da0416fea679c2e446619ca014a438fd55161259818aed0",
    "signature": "0x8c53f1f93fb359864987c49bf8a4845e779abea09c6f82aa14a462996f0324ec7c6dcf4c631f197ebc10b34358ea9e78290cad72b8be3f5e6e9830c537d463f51c",
    "signer": "0x292eF57C1FAAc86008ab58D5116e0ba424C9189b",
    "userId": "721084704"
  }
}