{
  "manageEntity": {
    "action": "Update",
    "entityId": "995186910",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xcaecdced68c60b2bc563f628e19a70edbbaa3a5adb27119293a442b571361275",
    "signature": "0xa5833978c3a08e4aaa995397e9d1b7b4a8c896ebc0e1ab456bd2536736840e780e6a4a3a11e88d5c9c3e1e0fd0e2290f3ab610a95b0466aff977509101fa0fd41c",
    "signer": "0xc4ED754a5bBD176F596aF6d483c4b0F8A9B72530",
    "userId": "995186910"
  }
}