{
  "manageEntity": {
    "action": "Update",
    "entityId": "633494619",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xd5a3e9f1f42a9cf54db92f226b365f269f74f51d3f6ea7c7cb2242f8349f8b9b",
    "signature": "0xfedb957a0c71b8be792c1046b0abb668d6633512ef709364205b37d420e8439d710c2c17c4aaaab1b6f5b6cace7c2c3bcf726625e790a2cca981776b1faf558a1b",
    "signer": "0x7B499405130cFEFBBaec9980A9E37BBE42E8589D",
    "userId": "633494619"
  }
}