{
  "manageEntity": {
    "action": "Update",
    "entityId": "58600206",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x40279757e7a9dbadc8ec2cdad2af5eeac9fd45b4f825de75e32262379173659b",
    "signature": "0x6935ea884be4351ff6630c715a0dbd35d6e940ad85dfcfb27f2d1da95410945854d2fd3e360f6b2ade6e220a1f898899afaccac54bfd5c741f9b0fd986434c4c1b",
    "signer": "0x7D89eD1c2C9744b86AE1D1301E8F342289D2f3cB",
    "userId": "58600206"
  }
}