{
  "manageEntity": {
    "action": "Update",
    "entityId": "275350856",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x169b1e2967895c43fb4288f8dd0725b6dc7ff6bdcbd2dcc878a0763470d2413f",
    "signature": "0xf3f8be6c51252c52ef295cc0c8b5728ce81ab37a55aa0c2b98da019099f69b17282433447881f1e336aed6f9882f17a2baa3fff16fae3f552b32a1d547d2b9221c",
    "signer": "0x99cc71DF4121e0a865e7D094866224A204ae2b44",
    "userId": "275350856"
  }
}