{
  "manageEntity": {
    "action": "Update",
    "entityId": "832058678",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera3cdddcgu7pcsamvspt7hdb6gfwlrtpk2ozqncwbwn7snfsfnv26q\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":570406706},{\"type\":\"playlist\",\"playlist_id\":1601302898},{\"type\":\"playlist\",\"playlist_id\":1215133757},{\"type\":\"playlist\",\"playlist_id\":1028982915}]}}}",
    "nonce": "0xf8b8f3731f1f33cc215c50c9044d2f9ac601dd056726f24ba779307a016e654b",
    "signature": "0x521b54c3d53b26a26ee6a1b26e84967bd5db48e2cf1d41d5d3f562dc5c4e9fd43bcf422902982afb9ef8a245ec37e4035d042b4811259f6a28eb790229774ef01b",
    "signer": "0xaBca4973b8911Fb110a95E6e00e5BBFBCa671473",
    "userId": "832058678"
  }
}