{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "108599",
    "entityType": "User",
    "nonce": "0x9c7cd4cc4addb6156758da3d10f1c7b9826a44681043c1ce744733dfda183ed2",
    "signature": "0x958082479c56e799f5ae2f45659bf491b16fcaab63b08a724b53f89e58e7a78319ffee526e9da376ace917ac0462c1ea1b596df89244778d832591e12774b1921c",
    "signer": "0xaaa210BdF97c681107cE56847557Fe8137107B08",
    "userId": "560013778"
  }
}