{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "281227",
    "entityType": "User",
    "nonce": "0xcc6d127b14db34f943d005873f2ff00c8cce062a6ab49f72049631b3fe7d53db",
    "signature": "0xe7119cbfc091f8016cecbc70a9e65a5d2254ce0f09924257a00deb728ab9b48555b03b08c6c4304f2dd2d2f2efdee2e35a6b981e68d29982e055b992de50c82e1b",
    "signer": "0x102a924C1c076Dcb5816d20E32Dcb6F00e75F2C9",
    "userId": "485987672"
  }
}