{
  "manageEntity": {
    "action": "Update",
    "entityId": "111362690",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x693c8663f0cb4618843b1f367082971efd4ba7344f659f605d06fc2aa6bf038e",
    "signature": "0x0eb45432f9ab323fc5164a6afb3c94eba8685e8c4c0771b1fb731dee88cf471a55eb01465b7c94ec12ecabe167f1e6fb40be7b4d3c4cbd99c4653d39415ce3651b",
    "signer": "0x5CE5e6C1C12f0503970e8f48F1BAB9C3b01C1443",
    "userId": "111362690"
  }
}