{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "135893",
    "entityType": "User",
    "nonce": "0x72fc294d488fd232aef56a40b367284405219633d804292ead36e1c0ca8c2134",
    "signature": "0x7e667974c4cb8800571efeff992557ebde9e501740da83ba0965438798cea0d72bd67e806aa2ab5d83cf27558795111fa746635b825a7ae853712f9b962711b81b",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}