{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "708077815",
    "entityType": "User",
    "nonce": "0x0edea0eaee202a0c72b1adc43d4eb1543ef43d3fd1698cf73c8c0e6bfc1b4a3c",
    "signature": "0xcfe14e0461b288f291e6497ccc0ee624d68e094568eb2341a1d63389dcffb6e75b60a8c654dee1983515873bfed8a23c1cee228900389f3d0099ce525959c9931b",
    "signer": "0xE5c3922424A1B896ad08ED5889f36Ca5DC40660a",
    "userId": "229327490"
  }
}