{
  "manageEntity": {
    "action": "Update",
    "entityId": "801788406",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x14c381422969f8f2692ad7002760ff5ee220230d1954c561bf596f7bae71fd11",
    "signature": "0x5589b278b3736cc8e8b111b0f496cae27ec1bcf4742ef848420c41758fa3b83415f198c1794cb70250bf76962d2d848aba38a24662d862d0cebdebdd10f0604d1b",
    "signer": "0x2A7a6c9B33B7010A03f91e76F1E97EF24f49c30D",
    "userId": "801788406"
  }
}