{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "136098",
    "entityType": "User",
    "nonce": "0x14ff82d52ad8b6880f51ff69aa813e2410320dc24a7a3c0d9cc04cbb50935152",
    "signature": "0x8a4c5af6b1d8295306c1a3bf14c02005b64d8e54c27da9753956ff1dce1ce5e9291a7019b4219a47811fca7d570b4bba29aeafd7efb4c811f0d9b0051d0b26781c",
    "signer": "0xE9B9EEdDb579478834256Bd35E42d09cfb754b1d",
    "userId": "281227"
  }
}