{
  "manageEntity": {
    "action": "Update",
    "entityId": "326723341",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xc55587a0e4eb4111666cdef51f862e7402eee235421ee415f3da8d8161d56f1f",
    "signature": "0xcbc7dddd950f09302bd5b76959b4dd0c3f8ff11f456c5685049a5d66a6609d131499592f3a725fdf06faf6fd043d4e56abb38fcf2cd29105cab89042dbfe162d1c",
    "signer": "0x356Ce5FbC134DfCC22701a177221069dB72F8adA",
    "userId": "326723341"
  }
}