{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x0c9fbaca21b644061a045f8fae71d5643f97acbc045e6a1a8cc0fa975f848202",
    "signature": "0x377512a24b2390b648e5e36edb0777e8981b979a6be416c79d8670c0228343c2714c1e08877401a63581bd66668603e9ac3640d1c9fb71d0bcf38367427f68a81c",
    "signer": "0xfa0b7c5C31eBA7622AfE516eb7b8aD45EFB4BD28",
    "userId": "734513560"
  }
}