{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "735980234",
    "entityType": "User",
    "nonce": "0x5200d76e8f936d99974a4fdf09e744b2fda978cfb4bb4a59a6282af503b23630",
    "signature": "0x357bbc98948b5cb80012588280235c4c11daa963b4ff8efde7a8dfbbec7cdcff2d0c45a0fd407d616fc1ead5fadb4fea612af87efc1bbf7297ff486118f8beb71c",
    "signer": "0x934E45BE36e38037811AEb6F8eD448164c45408B",
    "userId": "582278090"
  }
}