{
  "manageEntity": {
    "action": "Update",
    "entityId": "361098729",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xcb0ea36a06773f6f851e839bda4d839ddf0d50bb6ffbfdf38d43096513b8a439",
    "signature": "0x5db99560cc08b5a902ddba1262cd97ec8b5b8de01b90cdf94641c14e43683f9277dbbd6dcf142950f28515287754f0c59844d666eb70065c5aa6f7ac3faf27dd1b",
    "signer": "0x91a89A33FC0f28AeeC998DE25E68D183Fe5AFe2f",
    "userId": "361098729"
  }
}