{
  "manageEntity": {
    "action": "Update",
    "entityId": "214509563",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x144db2b56c1c0ab2c69a78b27cd784bb421cdc15afdc780cf50e791cd3620d27",
    "signature": "0x0fe69e81ebd64919e973bbe71c18e6cc27bc63ec447bd0256795e65c924f44903f86c5af2e021dccb42fa8ead173e2afb255723bd32b9e20c523759bea6364ca1c",
    "signer": "0x09Ed944A6653804DF5E864d5240c837F643E2c0F",
    "userId": "214509563"
  }
}