{
  "manageEntity": {
    "action": "Update",
    "entityId": "455023417",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x65ae6f502cb859dde401056016a79b7847419775a75b16201f0b90c91a5fd8e3",
    "signature": "0x7374a83e30e04c5ec55b9a094be645be70efef9414f70ea7d82fa4ab8c13b5380bb75dcb5b67d2859688fdbcd751f36c4d50d874e08bc9099ce6e05f0b95e39c1c",
    "signer": "0xbdF203280614C70c0dC1c7622325EB2Ee47aC025",
    "userId": "455023417"
  }
}