{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2194",
    "entityType": "User",
    "nonce": "0x10382cc29b142110b3df081cb733c1f23fc47a2aac3b4b8c90ddb8f0ba298fcd",
    "signature": "0x774e302f8ee685e1e835f513dc52c0857f71e637f42adf81a76f0794856ae160206a9d10614be5a6fd2d92529351d003e4d28be414e953f96248edbbdf08f8c71c",
    "signer": "0x81f60DEAd0cdA833Ad17fe7Ddd37b36E62630205",
    "userId": "132087202"
  }
}