{
  "manageEntity": {
    "action": "Update",
    "entityId": "82747908",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xcd1dedf3a3aff452738576fa2bee270a8a50def78d35c9b4d3b2254764ce71df",
    "signature": "0x9f3f49aed830573dbdc2c8ffef7b512f6d1082e0bcb1d1b40e47e1f3b1cd28a513e672f479709998bcd805230e606e8623f4d6640df5d420f9cd89ac5d5c72fc1b",
    "signer": "0x66fad3C0b056706C0989Ad1bfb50790337D476c2",
    "userId": "82747908"
  }
}