{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "593392725",
    "entityType": "User",
    "nonce": "0x40cd337e01481d4d92b043acc43c2ac240b6057fdcc27bbb3bec3bc7efea2520",
    "signature": "0xf6bd9356e524185986d812f2b7fd450f1f9542440fd066866998e6bc39b125f35ee455865acfe053acc16747d27a96e9e7b2aa77a2096831f81556c4d95ebdd21c",
    "signer": "0x27204C77Baa4a510c92A96A4ba3661CC53EE568E",
    "userId": "35918963"
  }
}