{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x05678163c6e0d704f516b242649dc0116bd71c2d71b6c84d3fe8200808005348",
    "signature": "0x9975271efb2c06d2355dd66620d2d73fae47501045dc78c492305861475baaac61d68e0f65275e5ebc9e35f6e88a6dbb846b26ea1f1f78e66dc721dbe4dad6161c",
    "signer": "0x24FFd45BD3def7db3AD72F9e328E12589390FefD",
    "userId": "825095735"
  }
}