{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "56",
    "entityType": "User",
    "nonce": "0x746c449601c593a073d6e9aced2461b8c44b18b5a6a5c0c3d85aa8abff21492a",
    "signature": "0x50f949ac118ac3262ae30d4b335f53135d9c786940a36497ddfd6d5f816c64c53352663c79ec1ae90ddcd5575bc6558078f34610618c4383935413865b9100061c",
    "signer": "0x3CEbf9bfE1b24355cBC348701860d601E226Dfbb",
    "userId": "172240066"
  }
}