{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "361393016",
    "entityType": "User",
    "nonce": "0x0322bd52265b58313962ed76c802fc95f55716a30d29a35e4287a660e92c84d9",
    "signature": "0x2417074a436ff68ad5df9d1e089ffc2fe2d53f6be53d9dc77289fe63f07ee411011371b8627598cf2e360b728afa55b8e677a6d8102caabb09a176050765f2801c",
    "signer": "0x6eF66a6206A4589bEd5849d15Bc2746C2603b01f",
    "userId": "989336341"
  }
}