{
  "manageEntity": {
    "action": "Update",
    "entityId": "802455146",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x03549e91204bce89c4e0a3bb1d2809a3e60c0098782b82a66bd3f5d0e6fec1c7",
    "signature": "0x8cd83ce463a0834bc9693433985c2d171413691f6a5e31c276d7e06a0a638cfc0fa9bfc04bc8d85001e8d443f2d3db3230f12d5c982432867424e2ee45cdacd41b",
    "signer": "0x4142F178fc27c3DC53f1012e505fBB8Af788a26d",
    "userId": "802455146"
  }
}