{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41392",
    "entityType": "User",
    "nonce": "0x663079a1efcacf66cc5b5f621c4745a35b1607e0747d4c2f9fd8e5e6241e8b7c",
    "signature": "0x6955c62bdc89c705b7a4ec69393c51f73609128e9b8df7a579d853dc7d8b773c7425b9ba584b7583ccda163d944c0153a5fbf5ac39c3e63a4f46d57f365b78d41b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}