{
  "manageEntity": {
    "action": "Update",
    "entityId": "477182402",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xc2b302b1ee4658c2cf0dda076496950fcda629ee4f3d13f10f90e4fde38f0b4c",
    "signature": "0xd54f97ed3d27df1b6a7b55d67998fcd7b173ef5afcb347527e4b3670b97268f0673af5a8548ed98db32531af02cedc88e5829db41de1e1f3e2667cd6f903fda11c",
    "signer": "0x42d85804437F1ccDD8A6611580A4b506EC0aB8d4",
    "userId": "477182402"
  }
}