{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "10449019",
    "entityType": "User",
    "nonce": "0x018317f847ad17e11a1c2e93b67074c5ab4e80cc64aa4a8560df92d116d0e0ee",
    "signature": "0xdff65f2a08a0bc4e5d82820d539a36151eab552484107d246bee9afc5e559fa8598ffb6fed19ec128bd6e4cd3b875746d35d17bd39965dfd535b6e80c8830d7f1c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}