{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "467160",
    "entityType": "User",
    "nonce": "0x78c8f7c4a44f5df63a9f39fe70d511252e2d0f06c4b3e4c9eb6cee1371488854",
    "signature": "0x5114bc51c172e31b4979a5f0b66257668d0d527f483be1f4201b345b1fc750db75ce26f8851ae46393b0f8c012f509668a69afae844d2ed1621ca0a55604b2d91c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}