{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "222",
    "entityType": "User",
    "nonce": "0xb255a92892c211583f7890f5952c451f6304083e7081791c372dedfa412a0769",
    "signature": "0xf31820967a75427f17cc74e75fbb51c9adccbb7349527de32db1c31e9b5c8e2c2ede7f004696fc24ffa7f242566eb281b83ea0468bb49735d8215be37524a3001b",
    "signer": "0x0a5148A3f132E6696c1Cd3FDA8465fC5fF17d3D2",
    "userId": "803288761"
  }
}