{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "367888",
    "entityType": "User",
    "nonce": "0x2483b302ba16b79a48cf7dc0f40a5f0915bc1fbfba8bd60fdeef6feb25d03e39",
    "signature": "0x453fc2c0625066b3dcb43b60f8c5894dcc1c26f58b0564057380435b1f8345446689a4edbb87c530979857a4ee349469bef353100158022150f3d295fbaaa2dd1b",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}