{
  "manageEntity": {
    "action": "Update",
    "entityId": "238327041",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x3083ce8e63d7814b9885fd915b02a4969ef8aa077c69b91ef42ae8aff5df65dc",
    "signature": "0xe458392c26e7dc17a38bf49bfd8c09d7373b0ac6e7baaeb842a654079d2c330d5391b0524aa5b79273b7c7718bd51ada3b04784cd20b9a192d01924f2630912b1b",
    "signer": "0x9a7C79A8F5E088eF6f036a0c25618325AD8bC26a",
    "userId": "238327041"
  }
}