{
  "manageEntity": {
    "action": "Update",
    "entityId": "383246485",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x2b17a8a3a8b1bfb79a2f394f383b88da5fe47ab13eb41e93d421a856c7ed6191",
    "signature": "0x4a70cafcd3cee794ad4238c4bfce2a6f8fcbae4efdc856ae80b6e1f48e5c3833364e7265f871110dc90d804980b8c7290f082378519740d176e8bbc230131fd41c",
    "signer": "0x8fE23580516ef5596006BBc1541D2dCab23bCE56",
    "userId": "383246485"
  }
}