{
  "manageEntity": {
    "action": "Update",
    "entityId": "734972761",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x17c97ab49b1ebbc43597f95175534d1f9d4f43b76c9f1dc9174e230cb91c1308",
    "signature": "0x11e2900a355f7bd388add3eac1354180a5200a46dcd3879f93733b7fd2801e303a8ac6aac5159032d5932691b751e666bb8865618bd5b26aee82133105f2a2d71b",
    "signer": "0xe480AE2342a07a3A8aC8270e47bAFA10582414aD",
    "userId": "734972761"
  }
}