{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "155973826",
    "entityType": "User",
    "nonce": "0xde6cdc0c4e20d65772037081e465361444ad3b534a1748adce79c45628227aa7",
    "signature": "0x2427e4e51c8e97284379604331393965f456084866edee521c66ea95858cc12c45114dc12f960cb6b9fef2efdb86bdd483b544221a214b8fdcc0fcb74116f7be1b",
    "signer": "0xd832cDDE8Da519b6aD56d440c66722AC65cc18C8",
    "userId": "755155896"
  }
}