{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "887547386",
    "entityType": "User",
    "nonce": "0x71da56523bbf417272605baf07be408e18609288cf3ace3ad7cff5e1cb046cc6",
    "signature": "0x4a5db691876685975c5412a39ec252b170e525965bf9563324fe7c3a5ef2ab4907de637567bc6907bbc6e24baa9727c8972f832e48a19d934489cd8831fc91bd1c",
    "signer": "0x46C85bbd3c0c697Ac1Ab2Eb3c8684cB5b8Ef7ecD",
    "userId": "368331039"
  }
}