{
  "manageEntity": {
    "action": "Update",
    "entityId": "157032641",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xbac27f0910ee0ae64518fcc112a23da30a117b79c7ecad218e9d36715b0307f4",
    "signature": "0x33dce655b8758ba06bcfef2c7376485f6c8a457efa2ffde47a34d7aca29a86ba615587517f64de3c41b7d4befb17c4d68a89c1825043818fa090fca6b0741d381b",
    "signer": "0xCE1807CbF44d0BF3961D9A4B757dA508604b77E6",
    "userId": "157032641"
  }
}