{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "108863",
    "entityType": "User",
    "nonce": "0xecbd0bfd4720f09da784feceaadcb00c021ef728597219a95263f4cd612fed30",
    "signature": "0x62f3504607ed7850c5e87ccf6958e3197bc1cecc2ad3a7c3000b09fe19fc06cd28db8d38ff48e3b15201c6d9260b38098d1755696ab1fb1608e79be824657a8e1b",
    "signer": "0x0a5148A3f132E6696c1Cd3FDA8465fC5fF17d3D2",
    "userId": "803288761"
  }
}