{
  "manageEntity": {
    "action": "Update",
    "entityId": "834540087",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xbb905e8ff94d3b95afbd117b767229a814bafafb914727518ee4991118156423",
    "signature": "0x0436e73e8b4ec78c5581ee83e83c9108dddf05e7188142903cb91619b9eb0cfe7c9e9943c984d80688eebc47bc812824186bb9f4685a38da66c8ebd2e3e3047c1b",
    "signer": "0xF0CaA5581Af6ee80150b5aA4643d1069EC176dB6",
    "userId": "834540087"
  }
}