{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "20",
    "entityType": "User",
    "nonce": "0x0a8a8a0dddea0ee1b511839890c9c8770a0264efacfb34f303b2df8b53ce2256",
    "signature": "0x1b1d08294bd44b723b55653278a8bae5e1b82747dbe2709350133e3cce089c9e6446281726eab9990882fb711b886c50af38689de79537ecd562e17cade4dc3f1b",
    "signer": "0x995Ca8f2d3956487967aCfd7EA849313C448c3a8",
    "userId": "227564"
  }
}