{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "28155",
    "entityType": "User",
    "nonce": "0xd37f9ca6c34dd0a4deabb05017d0017b580a40b37d1d221dfcd5a85a9dd0567d",
    "signature": "0x63e311d52e298e3f58cfb18c87d17460305fdd489854f609760cf0bdb59949457083a6a19e8f6eec5283c7cc5e423f12ae553e65cfed0a255f45e941cfdf75841c",
    "signer": "0x4ab505DBD73CB27C1457E037607E5fB3B27915f9",
    "userId": "186630"
  }
}