{
  "manageEntity": {
    "action": "Update",
    "entityId": "705143258",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xf5006bd98d421f490c4df5b3157be745df9ee85bc23d679cffef8500e0135700",
    "signature": "0x5e5355a42f9426a8951f2285879a999812ddda6be2945fbaeb652cafbe3920f85e1792d8eedf9df9d61a8609bb148922460c9e9db0e64240e6cd740c3becf7e11c",
    "signer": "0x6423bD165ac28EaC562F238bA1AF57F2b1bCDf30",
    "userId": "705143258"
  }
}