{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "105826",
    "entityType": "User",
    "nonce": "0x21a1baeb1f436296e3068ecde11f4442e1ae9abc09c159a31f3828a4e6974638",
    "signature": "0x604f7c01a9f14b57829988ce217749de745d453dfdf2130d46dcb7da25e6099204d9f8b1bbe19e070e1b5bf0a07790b7d79b9497c4132fd96ec2908513f520481c",
    "signer": "0x1A99bcEb1277f1d90Ffa77B2c480Ca93a4a4ebC4",
    "userId": "852344394"
  }
}