{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "10979468",
    "entityType": "User",
    "nonce": "0xb192d90334bdd8bab7ea497a18037cc0a5347a281c045c3f12a9fc6ef1c7dd16",
    "signature": "0xd4fe8cca2b41995c20d70a5e823e123e72f5522494a9e4cdc8079cbdd392126b5297a1d1a3004e0e480cea0c07d6756192357ef77d26b25d993ed86aeecb5ba41b",
    "signer": "0xE7A4a8f1d081B44C96Ed68610B6c3016ce8cD6E0",
    "userId": "464427506"
  }
}