{
  "manageEntity": {
    "action": "Update",
    "entityId": "217926720",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x34659b8cf3b558fc7d14c6b60de0f44659042e7dd6d1bc894bd5113a6fb53f9f",
    "signature": "0x2b3628f8d7403a575f0fadfbf816476ec6ae90d8a8dcb2fb5ff60bfabb038fa97b296466f38c3c7a5eb97a3565498362c55f599ac734454db5aa159609b4959d1b",
    "signer": "0xd22818b4dA76AA357660ea09F5F1Eb5a8bCD3780",
    "userId": "217926720"
  }
}