{
  "manageEntity": {
    "action": "Update",
    "entityId": "802326336",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xcf573ddcb188e45c9c926fd55aaa9c3c143881f3b4140ca08d4c23efd3828dd3",
    "signature": "0xbb61987a5e1d310d3f2410dbff36d25b42f309275dd61153956b1eb4523de38e3c0f97a964ce342b23035b52e43304c27345e4a9f831be67827639c98d8e6b381c",
    "signer": "0xE7743A7400A92290CfE93A3de48a3D4A33D9E97b",
    "userId": "802326336"
  }
}