{
  "manageEntity": {
    "action": "Update",
    "entityId": "907584070",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xa1e7b1a734054d63d49f5c4ca46e3ab69f1fd0d2f0ae732da932d2d338793190",
    "signature": "0xa918c3dd6b2b2ce6a62f4b519999e6038e036422b3270b19c7bddbd886b7dbdd6282c517239f7f8367c3fead0902f83da2d2a979c66ba768494c3a55b3a4ad081c",
    "signer": "0x6949ADB40dee2A6Db3D655dd59A030a7673ce9dA",
    "userId": "907584070"
  }
}