{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "393873",
    "entityType": "User",
    "nonce": "0xf1ac60cdaf5a1f38992084935eb15d679690470dd1bd537c4f185c0cd02f43c5",
    "signature": "0x9214a053502a22fef7b66f45c0c829699d822cb4608f0b16c4ecaa794ccfffc7486cfbe41e63164903d5455bc23fecf7b303667e688cec376c4b12f5767c69d71b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}