{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "708077815",
    "entityType": "User",
    "nonce": "0x172018eb6404e6d0e654800d4d9ed0eccd9e85a97ed2e9ffb3b2e3c90f548fb9",
    "signature": "0xeffa8ad8c41b1cb60636991f47cecdc617164fac2019b7d72f1a6aca3b1597841d8f75e7f8d561d5509830bdc1df2749b9e29a826cd1ca4bb47534490595ecc81b",
    "signer": "0x2752c6C488Ef240895028c3B2287EeC269C7EC7A",
    "userId": "79019982"
  }
}