{
  "manageEntity": {
    "action": "Update",
    "entityId": "495925470",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierap7rhxeplvbjie63fsbjuhsmlyrytmneqgh42lxv3g5bsh7zc4j5a\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":692725699},{\"type\":\"playlist\",\"playlist_id\":357808048}]}}}",
    "nonce": "0x424f3b27e399831ec4953cb87883751d3a12e201646ae3aea1f2f9c033e5d0a5",
    "signature": "0x74dbed8e7528b16d3fc54cd8f91aa051c993d0c03f2ccdef6dea0b523c073692688c78df3899de0e43f02f195357ba4da35fa81534b1b7f11321300586a3325e1c",
    "signer": "0x91C1f0a26f0b26BE4EABeb19E371752f000924a4",
    "userId": "495925470"
  }
}