{
  "manageEntity": {
    "action": "Update",
    "entityId": "656714525",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x77d245713b826899962f3b21b06bc230b4fb6ee79888853735168947b80f16ca",
    "signature": "0xbdfafcd4a87649eb02498206f8cd33a593edca99592fc0e98f03f3e9e80033727759efcbf221c38521c4ab6adae323856a5c162c1bdbdef96b408470f336082d1c",
    "signer": "0xa4F08d2DA471802eF47AbD37309579848284c98d",
    "userId": "656714525"
  }
}