{
  "manageEntity": {
    "action": "Update",
    "entityId": "293137833",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x45277b136b30186eb618a162f4c15bd4e996ce246b9d68425d80e5c0a6d3351a",
    "signature": "0x1f194cb2bb7ef5ee4abca7883531255eb247d36611a42f5e5b005dccb495a2f910b18a4dfd7e4ca23dfda21c4c8ae77169f5fbb3b92bc27a91ce43b513082a001c",
    "signer": "0x9139bE80Cf6D934A072B63279dcE183f715CA770",
    "userId": "293137833"
  }
}