{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "317847",
    "entityType": "User",
    "nonce": "0x2db5143f8e97679c59b58a5d30352d68ef4a2c002b06df0311fbe0447489d258",
    "signature": "0xe85cd4e0452775e16ebd5db1a957e25ebe0bf17d82dd8a38bc70450f8a3766320b746e7b4627135fc55f172fc03d9dea8bc5f77b8f9e5fbc143c6d98ac6e1ab41c",
    "signer": "0x9b6d843CDedd038F6f78ae7280Ed8E95C97CAf14",
    "userId": "674917963"
  }
}