{
  "manageEntity": {
    "action": "Update",
    "entityId": "633494619",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xf8d1839dd63d62d81ed7de48c0f292f5701a9c9af09533ea50ac5b2af8f2ce0c",
    "signature": "0xc7d49df899d77551dafa2561009aa0c1f881f7cab4ac8fff0f27f02e56c41dc919780346810eb74662fdd9e28cce904cc10cec9bfa6bae5db0fc43a9b0dd8ebe1b",
    "signer": "0x7B499405130cFEFBBaec9980A9E37BBE42E8589D",
    "userId": "633494619"
  }
}