{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1391666",
    "entityType": "User",
    "nonce": "0x96f43124af7e9918dc48f3484d936d5cef7a9d5e5725817b8d49c59c6621b3e8",
    "signature": "0x11bbf442f566a5758b30536b7c8e9c80b65e8f35d92753b8c12bdc83422c2a6c4e25eed3d7e69555d03ddd98705d29f2bcf0110d78523e939e93237a7adc93f31c",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}