{
  "manageEntity": {
    "action": "Update",
    "entityId": "316929309",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xca4fee87a8f43dc92c47554aa29afb48ac9e53c8da2d22256fd446801c7a0641",
    "signature": "0xe7d0638714abdfc0a47ff2d5654e32f2fe70db1faaa0079b470754c9f81b11ac7f246bb5ee6c7892e30c3e4a50d0b1fba5e0dfdd045d7c33eecaeb80edc5d3fe1b",
    "signer": "0xA5d6FAb8b746c2e579Ff65a27e920481f3176aE3",
    "userId": "316929309"
  }
}