{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "349764208",
    "entityType": "User",
    "nonce": "0xea5548674ade4ad42d41ef6221d7ed9548ffbbca2378938264299208dbd8d82d",
    "signature": "0x6973d1b750523189ec4546b207abb499d1ef1986b645b6e07dacec1ccdbe202f36eb759eccee1b26652858f2880717ccc044cf04e19dda332e0357171b24a06f1b",
    "signer": "0x14fa63A530B7d9254d20B110AAc25ABF49fbfa9d",
    "userId": "182428"
  }
}