{
  "manageEntity": {
    "action": "Update",
    "entityId": "294642511",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x897613e996e9ab91864712e7f4532f58e70eeb057436c174177b3d12a35fec4d",
    "signature": "0xaba73d5573f3a0a05ee5df2bd95b932cd5356d70fe14a5dce0a94d826d80c8a74ab22d6b5fc59176827d56a484e9cc9acc9bd56cf8b5520a7e2492faedef04951c",
    "signer": "0xA6D1EAD37Fa2365cf9B7325dfe4fDD47e071dE84",
    "userId": "294642511"
  }
}