{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "25895518",
    "entityType": "User",
    "nonce": "0x507ba1eb8ca94aeb71b9e66251c29a6104d2feb6028058ad91397e5084daebed",
    "signature": "0xf5b0783f175c289282b2557a046f8ddfc31713c570670adb55cb029eb40dd97d487ed23f778a8c6e7f9a176b8eb582b46ef7ec789c756b01cbf3448bb94e59341b",
    "signer": "0xc95EFE880463dc9E6fC74760701bBb0A05704C9c",
    "userId": "95927626"
  }
}