{
  "manageEntity": {
    "action": "Update",
    "entityId": "708281325",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x1d468303ca98bf7147c8a899adf4d79f61da42b12a579a417bfd4481fb8ec925",
    "signature": "0x62f1a549b201831234b54a5c23cdd0412b20f09fd6e9737d99d7c342c57d6c690e27819f367aec61c2b0e7601eb5fa67addff79e181a9aae2b40bb4dfde0c2e81c",
    "signer": "0x95039C5e9fA958bCe7C8bD76e20eb23F4E531e54",
    "userId": "708281325"
  }
}