{
  "manageEntity": {
    "action": "Update",
    "entityId": "658551529",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xa8fd95656fa912fc4725efbacff83738cc0f9d846bfc270dc4848b41bcd18730",
    "signature": "0x9d0112008c00d9b5dd6f7ab7e3895186dfee46a6be709c772e4c65d3e41c1fcb1e1ed248f9d204838d1ebefac8250c7fbd7b4896827f4ab6faf8c1915d7231391b",
    "signer": "0x4FaD35028E4C3973A994Bc61d52FD54DDCDf0353",
    "userId": "658551529"
  }
}