{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xed6f7b0b960bcec8b0d2a1fc8fa1a0554d3d9658c17e04e9052c0b580a129ebf",
    "signature": "0x31b666fb1c1c91f6dbbbabc0c2225b564ff66e58bed0e8733962866e713febe276af79043f65a8b1f9120285c0cfa23ae894f339a7d9e1a5b964eecf76b01c5f1c",
    "signer": "0x9369ae91F6A1cC4996D9126FD991d64e7E24c805",
    "userId": "333763354"
  }
}