{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "190942",
    "entityType": "User",
    "nonce": "0x7f36bbb1e183c78a77606a4687e0e9f58ee1fde2baeec99f84bf33fb35da58f9",
    "signature": "0x06c645710d62b3ab9c0590dd796b3a9f848ba336a177c38545b3bc86f8b6e3fb6f752fe2ab233d9b18c58a4eab5ff0a5761b8b48ffbe0480245d7fa66708ffbf1c",
    "signer": "0x9689e3d5AB8104ba8f965A6a5b4945644cA20FF7",
    "userId": "275143328"
  }
}