{
  "manageEntity": {
    "action": "Update",
    "entityId": "276602226",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x0845b61cbce41313e1e78d0800de02685e4f55155629d3092f4e2f13c564062b",
    "signature": "0x3fcf77a98d730bd18f2d747e20b0d6f1ce0c671076a18d47a805ab5dfb33880f376e1a103e41f21250c36b194f378261199fb75bca033da5271e3a200a43d06a1c",
    "signer": "0x3C912CfA5368616F0DC7e770cc50D75877Ae7824",
    "userId": "276602226"
  }
}