{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "13701",
    "entityType": "User",
    "nonce": "0x8a7ed1c31a1786c5d6f7dfcd23644805959fb3ed310f1b4fd118a515c062530b",
    "signature": "0xb8ff08e1ec2ed0f651546d3fc326f8fc7080189e2e0a6ae0dc6c73a0578aba293412df00812c17b4298154b583bbd3f1456a6725d73e73ded7c0b9fb0c02f65d1b",
    "signer": "0x18e80443A33c763307bac21D4Ec54B381DFC58cA",
    "userId": "964025330"
  }
}