{
  "manageEntity": {
    "action": "Update",
    "entityId": "659750957",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xfc9177a9ede5dde21fa64b20c1308166aef31ba9514cce935f7470495a2aa093",
    "signature": "0xc98fcdc4541c3dea97064a63c9d1616319d656c9c64956e10ad16f5fda4630827ba172e47642aa24da57db0b7472272ba8fe2a851caf818ffb6c62ea62bc29d01b",
    "signer": "0xd3De8f71FE55763e42be9E27D8C647688fec3d55",
    "userId": "659750957"
  }
}