{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "55234",
    "entityType": "User",
    "nonce": "0xa1c2a378d0f6255071b763d4db1fbec1620cda7c929c70aff44667c112e9b619",
    "signature": "0x4eaeb79eb5cf87175e63e8ed7f198c90505e3bb9b55a1e8c5a062cbfcea3339f57a3bc0b3f7a7324e5815db9db7f52907b97dae211429bdc9d2dd6ca96f79f3f1b",
    "signer": "0x040629E31a68119093b9a0111257C8449c2f8e10",
    "userId": "20"
  }
}