{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "238779",
    "entityType": "User",
    "nonce": "0xd4ac8845c228784df90ab29ceae2dec4281b8bb2e5398fbe7a926e334f3ca82d",
    "signature": "0x0b9775a90e1acfbbd9ffccf4a65f4a819ea5456e258321ebbc87131a116d4203031812ea6ac14f42d5940a12512ccb9dd08a7c41379cd8fe3f1716ccaf6ab37e1c",
    "signer": "0x9b1a9d02F213F5C768F11FC832194b5cB665E056",
    "userId": "418702748"
  }
}