{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "711747727",
    "entityType": "User",
    "nonce": "0x66803082c6e4e8be6676cd018ad19726e9fa3353164faacf9fe520ab52982896",
    "signature": "0x7e016952c4178217c9ef67d3af7b79a395805322629dd3fd48eb281bc73bdc1a77a75cd5e7eeb8ea0c51215223aa66dc319534ccfd867db5881dfffdf9dce4df1b",
    "signer": "0x6d6397f74d01E51Fc0C654f5703B972e7CF26876",
    "userId": "237542932"
  }
}