{
  "manageEntity": {
    "action": "Update",
    "entityId": "426957304",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieraaifg46srgwoqybynyfib3sya2lt53k3srzkxa72lwipvoq2mjfua\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":952970577}]}}}",
    "nonce": "0xe806eca83734a1ee4348a45e714393a3b56423b93adeaaa7c6a69bbfa3eeed43",
    "signature": "0xa98c43a13e4fa544612e815fd98013bd844c406f59a82aa3240f12b7074e902d21f3bcd427aad162c2b2a2b1598a9fd7e107925bafd6541c1700736bb85d5eee1b",
    "signer": "0xEE8e9f9CBB51aaaA47B347678D6344cfCFa29F00",
    "userId": "426957304"
  }
}