{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "277314120",
    "entityType": "User",
    "nonce": "0x1952498ddda6a6d35b7a8068ae2430dd687b6ba5302a77e135bbb0b8f364b02f",
    "signature": "0x8457197ca512dc85a626986b6d7d5100b2b338998fcc8ee77e2358f72a4d26d56feda058431eac567a35c7908c08b1457299f8ed289cf093727a70a61a1c64281c",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}