{
  "manageEntity": {
    "action": "Update",
    "entityId": "658351701",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x93e5f45a56a60b045d04b513fb95a6b3941d5c5a7f033b67ead9877f8796a90a",
    "signature": "0x46af644c7b568e1bcbde78bb904d77315822eb804bba37d73e1e012d93aca74f56a16dd31e2f22933dbcfe3038b63ece4268043c0d9a32540fbab64b6b511df11b",
    "signer": "0xacA6f260A00A61e8ac07D62ec10fd4805A56f7F2",
    "userId": "658351701"
  }
}