{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "90136",
    "entityType": "User",
    "nonce": "0xc40826939b5f83af5637696de99e710f98d38d813d6496284363502cc1a47500",
    "signature": "0xf46506e793e32772728408ec144be79f93f925180dcf4a3ae79197b825f656653767026603686fcf9e281447c384e86f31ad13b012585dc26c0b98ee81aac3711c",
    "signer": "0x766c41F0daaFcB26dddba29065176838edD335AD",
    "userId": "551313975"
  }
}