{
  "manageEntity": {
    "action": "Update",
    "entityId": "571117272",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieraaenlmn7lrwdakp7s4ozdbq3nrtebiq4fiaxo2noodjk5bxpspcaq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1980126533}]}}}",
    "nonce": "0xfe5d8310eb959e8257e2eed126459690e83f943eb611fbd2675ee1adf74cb7f8",
    "signature": "0x78285f44fab774ba1a049ce72455e5fd2ee6cbbb83261ad117f12f842ace07613fedd6c7eb5d10e7f317f33fe56b3da913eeb09850ca27a0d8c610cef578117e1b",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}