{
  "manageEntity": {
    "action": "Update",
    "entityId": "431093315",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierafibq43tv4itrgwwrz3iol4saub6hdaoljg7cx4xevx2nbjy7k5ba\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1147318116},{\"type\":\"playlist\",\"playlist_id\":240086092},{\"type\":\"playlist\",\"playlist_id\":1986003012},{\"type\":\"playlist\",\"playlist_id\":1298429295}]}}}",
    "nonce": "0xe51f74833be87d52f826df0ad924980cd969bc7c3a451d7504036a77a28b4109",
    "signature": "0x836588817e753a42c23ce20ccea7f9bbc32baabe07667de9df651ea132aa74c823f06944c5985e157239d2dd389a58ff0ce817fad684ac3c5d08bcbb3848fbf91c",
    "signer": "0xC1b01545cFB07eF93Ea96354a43eDfCCeA1e33a2",
    "userId": "431093315"
  }
}