{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "557210595",
    "entityType": "User",
    "nonce": "0xa347a8847252553a43d96aabe9628f767b8beefa6863a0f1c349b328fd3d313a",
    "signature": "0xc633987bd16fd441efc622ddaad384ec5c0cbb5707ec358531627444bdafb70b6b2ae80bf5cb572f7b8a0716289c8e4823bed4e65ee6982b28f820c9a9320da31c",
    "signer": "0x92259EE201EFF2FF3e3be58B5285c3D61A058aD7",
    "userId": "888095035"
  }
}